São Mamede Geodetic Marker

São Mamede Geodetic Marker is a point in the Portuguese National Geodetic Network (RGN), the reference network used for mapping, surveying and geographic measurement in Portugal.

Coordinates: 39° 18' 48.6426" N, 07° 21' 37.8339" W (39.31351183, -7.36050942). RGN identification: 1:50,000 sheet 29C, type BOLEMBREANO S/ PIRÂMIDE TRUNCADA.

Altimetry: orthometric altitude at the top 1035.01 m; at the base 1027.01 m; ellipsoidal altitude at the top 1090.35 m.

This record is based on official RGN coordinate data and is useful for understanding the landscape, planning map work or identifying a precise geographic reference point. Local access conditions can vary, so check the terrain before visiting.

RGN source ID: rgn-29c-sao-mamede